Acetylene-gas generator.



No. 706,8I0. 4' Patented AugplZ, |902.

VA. C. EINSTEIN. ACETYLENE GAS GENERATGB;

` (Application filed Feb. 1S, 1901.) (No Model.)-

UNITED drames Partnr @ritieni ALFRED C. EINSTEIN, F ST. LOUIS, MISSOURI.

ACETYLENE-GAS GENERATOR.-

SPECIFICATION forming part of Letters Patent No. 706,810, dated August 12, 1902.

Application filed February 18, 1901. Serial No. 47,711. (No model.)

To all whom t may concern:

Be it known that I, ALFRED C. EINSTEIN, a citizen of the United States, residing in the city of St. Louis, in the State of Missouri, have invented certain new and useful Improvements in Acetylene-Gas Generators, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification.

My invention relates to acetylene-gas generators, and has particular reference to a regulator for controlling the delivery of water t0` the calcium carbid.

The invention consists in features of novelty hereinafter fully described, and pointed out in the claim.

Figure I is a vertical sectional view taken through the generator. Eig. II is a longitu dinal sectional View of the waterdelivery valve and parts in which it is mounted.

1 designates an upper casing member containing a chamber 2.

3 Vis a water-reservoir provided with an inlet 4.. Beneath the water-reservoir is alower casing member 5, to which the carbid-cup 6 is connected.

7 designates a tube centrally positioned in the water-reservoir 3 and providing communication from the gas-chamber'within the casing member and carbid-cup 6 to a compartment 3 within a collapsiblebag 9,* located in the chamber 2 ofthe upper casing. The lower end of the bag 9 is connected to a disk 10 by a band 13, and the disk 10 is equipped with a tubular leg 1l, that has screw-thread connection with the tube 7, extending through the water-reservoir.

12 designates ducts that provide for the passage of gas into the chamber Sfrom the lower end of the tube 7. i

The upper end of the bag 9 is connected by a band 14 to a traveling diskV 15, that carries a guide-stem 16, whichoperates in the tubular leg 11 of the disk 10 and serves to direct the movement of the 'traveling disk 15 to obviate swaying thereof.

17 designates a weight movably connected to the traveling disk by hanger-rods 18, so that the said weight is suspended for vertical play within the compartment 8 of the collapsible bag 9.

19 designates a tube located in the waterreservoir 3 and extending upwardly therefrom through the perforation between said reservoir and the chamber2 andinto the disk 19 in said chamber. At the lower end of the tube 19 is a valve-housing 20, provided with an inlet 2l, through which water enters said housing to pass therefrom to a discharge-pipe 22, from which itfalls to the carbid in the cup G. Within the housing 20 is a valve 23, supported by a spring 24 and providedwith a stem 25, that extends upwardly through `the tube 19 and into thecompartment Si of the The operation of the generator is as follows: In starting the generation of gas, water is introduoed into the reservoir 3 through the inlet 1l, and at this time the bag 9 is in a collapsed condition, owing to the fact that'no gas is present within' said bag to distend it. At such time thelweiffhtl? rests upon the stem 25 of the valve 23 and holdsit unseated,"thereby permitting the flow of water through the valve-housing 2O from the inlet 2l and through the discharge pipe 22 to the carbid. The iiow of water to the carbid continues until such time as the generation of gas has caused sufficient pressure within the apparatus for the gas to be forced up through the tube 7 and ductsrl2 into the compartment 8 off the bag 9 to distend said bag. V.As the bag is distended the traveling disk 15 is raised and carries therewith the weight 17, thereby removing said weight from contact with the valvestem 25 and permitting the spring 24 to carry the valve 23 to its seat. In this way the delivery of water to the carbid is shut off, thereby stopping the flow of water to the carbid through the discharge-pipe 22. VThe weight 17 remains in elevated position untilf such time as the pressure of gas intheuapparatus becomes diminished to such extent asto permit of the weight forcing the gasfr'omthe compartment S back into the generationchamber, so that the bag 9 may again collapse. Immediately upon the weight 17 again coming in contact with the stem 25 the valve 23 is unseated, and the flow of water to tho IOC) carbid is again started, to continue as in the first instance until the supply again distends the bag 9 and lifts the Weight 17.

I do not herein claim matter claimed in my application Serial No. 47,710.

I claim as my invention- In an acetylene-gas generator, the combination of a easing containing a generatingchamber, a collapsible bag having communication with said generating-chamber, a Weight loosely suspended from the top of said bag, a Water-reservoir, a valve-housing mounted in said reservoir between the generatingchamber and collapsible bag and having com- Inunication with said reservoir and said generating-chamber, a tube extending from said housing to said collapsible bag, a valve in said housing, a spring arranged to press said valve to its seat and-a stem carried by said 

